teaching children at home

Just curious to know what some of you think about the importance of children interacting with other children at school vs. teaching them at home.I have a four year old and will have to make this decision very soon.Would love some advice

I teach my middle child at home. The other two want to go to school and I let them make that choice. She still has lots of friends and goes out almost every weekend. She will finish school about two years early so I think I have done alright.